Definitions

1. noun

A large, usually wooden board or panel with a series of levers or handles for operating the controls of a vehicle, especially a ship or locomotive.

“The captain consulted the trailboard to adjust the ship’s speed accordingly.”

2. noun

A vertical board or panel with a row of levers or handles for operating the controls of a vehicle, especially a locomotive or a train.

“The engineer checked the trailboard to ensure the train was on the right track.”